Price Improvement! Striking new-construction luxury single family on a quiet, tree lined North Cambridge street. Classic New England architecture meets modern finishes and smart-home readiness. Over 4,000 sq ft across four finished levels with 5 bedrooms and 4.5 baths. The open first floor is anchored by a chef’s kitchen featuring white oak shaker cabinetry, subway tile backsplash, quartz counters, Thermador stainless appliances, classic range hood, and an oversized island — all over herringbone oak floors, with a half bath and full pantry with water dispenser completing the level. The second floor is home to a primary suite with spa bath, soaking tub, and walk-in shower, along with a second en-suite bedroom and dedicated laundry room. The third floor offers two more bedrooms, a full bath, and eave storage. The finished lower level adds an entertainment room, private study, additional bedroom, and secondary laundry. Head outside for a private fenced yard and detached 1-car garage. Walk to Davis, Porter, and Alewife T stations, the Minuteman Bikeway, top schools, parks, and the best of Cambridge and Somerville dining.
Property Details
Price:
$3,499,900
MLS #:
73584464
Status:
Active
Beds:
5
Baths:
4.5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
northcambridge
Listed Date:
Sep 30, 2026
Finished Sq Ft:
4,087
Total Sq Ft:
4,087
Lot Size:
4,520 sqft / 0.10 acres (approx)
Year Built:
2026
See this Listing
Schools
Interior
Above Grade Finished Area
4087
Appliances
Electric Water Heater, Water Heater, Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
Bathrooms
4 Full Bathrooms, 1 Half Bathroom
Below Grade Finished Area
1000
Cooling
Central Air, Air Source Heat Pumps (ASHP)
Fireplaces Total
1
Flooring
Tile, Engineered Hardwood
Heating
Air Source Heat Pumps (ASHP)
Interior Features
Wet Bar
Laundry Features
Electric Dryer Hookup
Exterior
Architectural Style
Colonial
Construction Materials
Frame
Covered Spaces
1
Exterior Features
Porch, Deck, Deck – Composite, Professional Landscaping, Sprinkler System
Fencing
Fenced/Enclosed
Garage Spaces
1
Open Parking Spaces
3
Open Parking YN
1
Parking Features
Detached, Paved Drive, Off Street
Parking Spots
4
Parking Total
4
Patio And Porch Features
Porch, Deck, Deck – Composite
Roof
Shingle, Rubber, Metal
Window Features
Insulated Windows
Financial
Tax Year
2025
Taxes
$6,377
Map
Community
- Address21 Cottage Park Ave Cambridge MA
- CityCambridge
- CountyMiddlesex
- Zip Code02140
Subdivisions in Cambridge
Market Summary
Current real estate data for Single Family in Cambridge as of Nov 13, 2026
56
Single Family Listed
88
Avg DOM
1,047
Avg $ / SqFt
$3,810,086
Avg List Price
Property Summary
- 21 Cottage Park Ave Cambridge MA is a Single Family for sale in Cambridge, MA, 02140. It is listed for $3,499,900 and features 5 beds, 5 baths, and has approximately 4,087 square feet of living space, and was originally constructed in 2026. The current price per square foot is $856. The average price per square foot for Single Family listings in Cambridge is $1,047. The average listing price for Single Family in Cambridge is $3,810,086. To schedule a showing of MLS#73584464 at 21 Cottage Park Ave in Cambridge, MA, contact your Cornerstone Real Estate agent at 617-238-7400.
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Courtesy of Encompass Property Solutions LLC. The property listing data and information set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information set forth herein.
21 Cottage Park Ave
Cambridge, MA